Front view — side by side at true scale
ACastle Knight 1BCambridge Audio SX-60
| A | B | |
|---|---|---|
| Manufacturer | Castle | Cambridge Audio |
| Model | Castle Knight 1 | Cambridge Audio SX-60 |
| Height | 290 mm | 340 mm |
| Width | 165 mm | 200 mm |
| Depth | 265 mm | 272 mm |
| Weight | 4.5 kg | 5 kg |
| Enclosure | bass-reflex-rear | bass-reflex-front |
| Drivers | 1× 130 mm mid-bass, 1× 25 mm tweeter (soft dome) | 1× 25 mm tweeter (silk dome), 1× 165 mm mid-bass (doped paper cone) |
| Frequency — low | 46 Hz | 41 Hz |
| Frequency — high | 24000 Hz | 22000 Hz |
| Sensitivity | 88 dB | 89 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | 15–100 W | 20–100 W |
| MAP (USD) | $380 / pair | $329 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | castle.uk.com ↗ | cambridgeaudio.com ↗ |
| Product page | Open product page ↗ | Open product page ↗ |
Larger value highlighted in green. For low-frequency extension, lower Hz = greater bass reach, so the deeper side is highlighted.

